a negative trendp < 0.001
The effect of number of repetitions differed between the series, with a negative trend in the first series and a neutral slope in the second and third series (main effect for repetition number: OR = 0.98, 95% CI [0.96, 0.99], p < 0.001; interaction between second series and repetition number: OR = 1.02, 95% CI [1.00, 1.04], p = 0.018; interaction between third series and repetition number: OR = 1.02, 95% CI [1.00, 1.04], p = 0.044).